EP 3264314 B1 20210217 - SYSTEM AND METHOD FOR SEARCHING OVER ENCRYPTED DATA
Title (en)
SYSTEM AND METHOD FOR SEARCHING OVER ENCRYPTED DATA
Title (de)
SYSTEM UND VERFAHREN ZUR SUCHE ÜBER VERSCHLÜSSELTE DATEN
Title (fr)
SYSTÈME ET PROCÉDÉ DE RECHERCHE SUR DES DONNÉES CHIFFRÉES
Publication
Application
Priority
EP 16177310 A 20160630
Abstract (en)
[origin: EP3264314A1] There is provided an apparatus configured to: create a respective second unique identifier entry for each data instance stored in an encrypted database in association with a first unique identifier by: applying a mapping function to the data instance to generate a mapped value, applying a first secure compression function to a hash-key and the mapped value to generate a first hashed-value, applying a second secure compression function to the first hashed-value and the first unique identifier entry associated with the data instance to generate the second unique identifier entry, and storing within the database the second unique identifier entry associated with the respective data instance of the plurality of data instances; and output the database for searching over encrypted data instances stored in the database.
IPC 8 full level
G06F 16/00 (2019.01); G06F 16/245 (2019.01); G06F 21/62 (2013.01)
CPC (source: EP)
G06F 16/00 (2018.12); G06F 16/245 (2018.12); G06F 21/6227 (2013.01)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
DOCDB simple family (application)
EP 16177310 A 20160630